Economic PFSA Cation-Exchange Membrane for Flow Battery, Electrolyzer and Fuel Cell, CFBEFCCEMEPFSA
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PFSA (Perfluorosulfonic Acid) membranes are the most widely used type of cation exchange membrane in high-performance electrochemical systems. They are defined by a "Teflon-like" hydrophobic backbone with side chains ending in hydrophilic sulfonic acid groups. (1) In redox flow battery application, it conducts H+ while blocking vanadium ions to store energy. (2) In electrolyzer application field, it conducts H+ to produce green hydrogen or hydrocarbon from water and CO2. (3) In fuel cell application field, it conducts H+ from anode to cathode to generate power.
The economic PFSA membranes can be great alternatives to the expensive Nafion counterparts.
| Membrane Types |
PFSA117 |
PFSA115 |
PFSA3015 |
| Thickness (um) |
175 |
125 |
15 |
| Density (g/cm2) |
3345 |
246 |
30 |
| Ion Conductivity (S/cm) |
> 0.1 |
> 0.1 |
> 0.1 |
| Tensile Strength (MPa), MD |
>28 |
>28 |
>30 |
| Water Content (%) |
5 |
5 |
10 |
| Water Uptake (%) |
50 |
50 |
50 |
| Reinforce |
No |
No |
ePTFE |
| Package Grade |
10cm * 10cm/pcs/pack |
10cm * 10cm/pcs/pack |
10cm * 10cm/pcs/pack |
Use Note: (1) Application field for above economic PFSA membrane products:
PFSA117 & PFSA115: Redox flow battery, electrolyzer, and fuel cell
PFSA3015 (ePTFE reinforce): Specially designed for fuel cell application.
(2) All the PFSA membrane has a protective layer that should be removed before use.
